/**
 *   Copyright (c) fanguangping. All rights reserved.
 *   The use and distribution terms for this software are covered by the
 *   Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
 *   which can be found in the file epl-v10.html at the root of this distribution.
 *   By using this software in any fashion, you are agreeing to be bound by
 * 	 the terms of this license.
 *   You must not remove this notice, or any other, from this software.
 **/
package org.jfunny.core.sys.impl.clojure;

import org.jfunny.core.dfa.DFA;
import org.jfunny.core.ds.Statement;
import org.jfunny.core.sys.SysEvalable;

/**
 * 
 * @author fanguangping
 *
 */
public class SysLambda implements SysEvalable{

	@Override
	public String eval(Statement statement) {
		String args = SysFunctionHelper.getArgContent(statement, 0);
		Statement expression = SysFunctionHelper.getArg(statement, 1);
		
		StringBuffer buffer = new StringBuffer();
		buffer.append("(fn ");
		buffer.append(" [");
		buffer.append(args);
		buffer.append("] ");
		
		String valueExpr = DFA.getInstance().match(null, expression); //匹配并翻译value
		buffer.append(valueExpr.trim());

		buffer.append(")");

		return buffer.toString();
	}
}
